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A giant intramural gastric hematoma successfully treated by transcatheter arterial embolization.

We describe a case of intramural gastric hematoma with hemorrhagic shock caused by the formation of a large hematoma. Computed tomographic and angiographic examinations confirmed the presence of active bleeding into the hematoma. Transcatheter arterial embolization (TAE) was performed for hemostasis. To our knowledge, although 21 cases of intramural gastric hematoma have been reported in the literature, this is apparently the first case treated by TAE. We conclude that TAE is a safe and effective treatment option for intramural gastric hematoma confirmed to be associated with active bleeding into the hematoma.

Aged↗

Long-term outcomes of uterine artery embolization using gelatin sponge particles alone for symptomatic fibroids.

OBJECTIVE: The purpose of this study was to evaluate the long-term outcomes of uterine artery embolization using only gelatin sponge particles for symptomatic fibroids. MATERIALS AND METHODS: As part of an ongoing study of the procedure for fibroids, prospective data of the initial 96 consecutive women treated between December 1997 and December 2001, were collected in January 2005. It had been more than 3 years since embolization in all cases. The follow-up period ranged from 4 to 60 months (mean, 37.4 months). On the basis of serial questionnaires, we investigated the cumulative rates of symptom control, gynecologic interventions, and overall failure, using the Kaplan-Meier product limit estimator. Symptom control was defined as meaning patients whose symptoms had improved as indicated on the last questionnaire and who had not undergone any further gynecologic intervention because of symptoms. Overall failure was defined as meaning the patients who indicated that there had been no symptom improvement or recurrence or that they had undergone further gynecologic interventions. RESULTS: Of all 96 women, 16 (17%) were lost to follow-up during the period. Cumulative rates of symptom control were 96.9% at 1 year, 89.5% at 3 years, and 89.5% at 5 years. Cumulative rates of complications related to the gynecologic intervention and overall gynecologic interventions were 2.1% and 4.2%, respectively, at 1 year, 2.1% and 5.4% at 3 years, and 2.1% and 10.5% at 5 years. Cumulative rates of overall failure were 4.2% at 1 year, 12.7% at 3 years, and 12.7% at 5 years. Major complications were noted in 3.1% (3/96). Of these three women, two required hospitalization for transvaginal resection of sloughing fibroids and one developed sexual dysfunction. Two women became pregnant, but both pregnancies resulted in miscarriage. CONCLUSION: Uterine artery embolization using gelatin sponge particles alone can achieve long-term symptom control for fibroids in most cases.

Adult↗

Selective arterial embolization for control of massive upper gastrointestinal bleeding.

Massive upper gastrointestinal bleeding was controlled in 11 of 15 patients by the use of selective injected arterial emboli. Embolization is most successful in the treatment of patients with demonstrated arterial bleeding sites at angiography. This group of patients generally has ulcers and it is this group in whom vasopressin infusion has the lowest success rate. At the same time we were successful in controlling only 1 of 4 patients who were bleeding from diffuse hemorrhagic gastritis, those patients in whom vasopressin infusion is very successfu, We, therefore, now embolize only patients in whom arterial bleeding sites are demonstrated at angiography or in whom vasopressin infusion has failed to control the bleeding from hemorrhagic gastritis. Our experience also indicates that short acting occlusive agents, such as autogenous blood clot mixed with aminocaproic acid, are as successful in controlling bleeding as the more permanent types of embolic material.

Adult↗

Selective arterial embolization for control of hemorrhage in pelvic malignancy: femoral and brachial catheter approaches.

Selective transcatheter embolization with Gelfoam pledgets was used to control intractable pelvic hemorrhage in two patients with gynecologic malignancy. There were no complications or sequelae associated with the procedure, and no further bleeding occurred. This method requires only Seldinger catheterization techniques under local anesthesia and should be considered in patients whose medical condition precludes major surgery or in whom operative ligation cannot be performed.

Adult↗

Peripheral embolization complicating bilateral renal infarction with gelfoam.

Selective arterial embolization is a technique with wide therapeutic applicability. However, regardless of the nature of the embolic particles, reflux into the aorta with peripheral embolization is a serious potential complication. A case is described in which this complication occurred. We recommend that all such embolizations be performed with a balloon catheter occluding the target artery.

Adult↗

Emergency embolization in blunt hepatic trauma.

The right hepatic artery in a patient with traumatic liver tear was embolized with Gelfoam to stop an otherwise uncontrollable hemorrhage. The procedure was probably life saving in this patient. Transient elevated transaminase and bilirubin levels returned to normal 3 weeks after embolization. A repeat hepatic arteriogram 4 months after embolization demonstrated good revascularization of the right hepatic lobe from the left hepatic, left gastric, and gastroduodenal arteries. This case demonstrates the therapeutic value and safety of selective hepatic arterial branch embolization in massive life-threatening hemorrhage.

Adolescent↗

New technique for localization of therapeutic emboli using radionuclide labeling.

A sensitive method for localizing the resting place of catheter-injected therapeutic gelatin emboli is described. Surgical gelatin (Gelfoam) is labeled with 99mTc and each embolus observed on the persistence scope of a gamma camera after injection. This technique reduces the chance of obstructing blood vessels other than those intended. Two cases of embolization, one arterial and one venous, are illustrated.

Adult↗

Improved safety of splenoportography by plugging of the needle tract.

Splenoportography, a useful preoperative diagnostic procedure in patients with portal hypertension, has been largely discontinued because of the risk of hemorrhage. We have used both Ivalon and Gelfoam in particle and plug form to plug the needle tract after splenoportography. Initial studies were conducted on six dogs. Plugging of the needle tract by injection of suspensions of small Gelfoam or Ivalon particles resulted in intravasation of these particles into the splenic vein. This was demonstrated by radioactive tagging of particles and the direct collection of splenic blood during the intrasplenic injection. Plugging of the splenic needle tract with compressed Gelfoam caused immediate, complete cessation of bleeding in fully heparinized animals. Because of these experimental results, five humans with decreased platelet counts and severe portal hypertension underwent successful splenoportography without significant hemorrhage. At surgery, successful plugging of the needle tract by Gelfoam was confirmed.

Adult↗

Transcatheter gelfoam embolization of posttraumatic bleeding pseudoaneurysms.

Diagnostic angiography combined with transcatheter therapeutic embolization is a simple and effective means of treating complex clinical situations associated with posttraumatic hemorrhage. Bleeding pseudoaneurysms, even when large, can be readily managed by this combined modality with resultant decrease in morbidity and hospital stay. Five patients with posttraumatic pseudoaneurysms are presented. All five were treated by transcatheter therapeutic embolization with Gelfoam. Of these five cases, three involved extremities, one involved the retroperitoneal space, and the last was of renal origin. Two of the five cases still required surgical intervention after initial successful therapeutic embolization, one for recurrent bleeding from collaterals and the other for evacuation of a massive pseudoaneurysm which was causing distraction of fracture fragments. The early use of angiography in suspected cases of posttraumatic hemorrhage, together with careful evaluation of potential collateral supply, is stressed. The use of transcatheter therapeutic embolization in the extremities as presented here is yet another example of the ever-broadening applicability of this technique.

Adult↗